<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org"
        xmlns:shiro="http://www.thymeleaf.org/thymeleaf-extras-shiro">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<h1>首页</h1>
<!--从Session中判断值-->  <!--如果对象为空说明当前没有用户登录 这显示为null-->
<div th:if="${session.loginUser==null}">
    <a th:href="@{/toLogin}">登录</a>
</div>
<!--如果Session的loginUser对象不为空则显示注销-->
<div th:if="${session.loginUser!=null}">
    <a th:href="@{/logout}" th:onClick="return confirm('确定注销?')">注销</a>
</div>

<p th:text="${msg}"></p>
<hr>

<div shiro:hasPermission="user:add">
    <a th:href="@{/user/add}">add</a>
</div>

<div shiro:hasPermission="user:update">
    <a href="/user/update">update</a>
</div>




</body>
</html>